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Doctrine of Equivalents Claim Construction Prosecution History Estoppel

Knobbe Martens

Cancellation of a Closely Related Claim During Prosecution Can Trigger Prosecution History Estoppel

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COLIBRI HEART VALVE LLC v. MEDTRONIC COREVALVE, LLC - Before Taranto, Hughes, and Stoll. Appeal from the United States District Court for the Central District of California. The Federal Circuit reversed a $106 million...more

Lathrop GPM

Federal Circuit Says Claim Cancellation Can Create Prosecution History Estoppel

Lathrop GPM on

In a July 18 precedential decision in Colibri Heart Valve LLC v. Medtronic CoreValve LLC, the U.S. Court of Appeals for the Federal Circuit overturned a $106 million jury verdict against Medtronic for infringement of a patent...more

McDermott Will & Emery

“Tangential Relation” Exception Saves Patentee’s Reliance on DOE

McDermott Will & Emery on

Addressing an infringement determination under the doctrine of equivalents (DOE), the US Court of Appeals for the Federal Circuit found that the “tangential relation” exception to the doctrine of prosecution history estoppel...more

Knobbe Martens

Federal Circuit Review - June 2019

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One-year Clock for Filing IPR Petition Applies to Litigants and Parties that Become Privies of the Litigant Prior to Institution. In Power Integrations, Inc v. Semiconductor Components, Appeal No. 2018-1607, the Federal...more

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